| article html file updated | 9 February 2020 02:04 CET | Update | https://www.mdpi.com/2077-1444/9/1/12 |
| article html file updated | 2 May 2019 04:18 CEST | Update | - |
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| article pdf uploaded. | 8 January 2018 06:53 CET | Updated version of record | https://www.mdpi.com/2077-1444/9/1/12/pdf |
| article html file updated | 8 January 2018 06:21 CET | Update | - |
| article pdf uploaded. | 8 January 2018 06:20 CET | Updated version of record | https://www.mdpi.com/2077-1444/9/1/12/pdf-vor |
| article html file updated | 5 January 2018 08:35 CET | Original file | - |
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